diff options
| author | Eric Dumazet <edumazet@google.com> | 2015-05-27 11:34:37 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-05-27 14:35:36 -0400 |
| commit | ed2dfd900992aa7b6b3d0abd8ec9a7e9d2c7f827 (patch) | |
| tree | 76e6fa096ffb9ab01b52b564c547c70a5803c0e4 /include/net/netns | |
| parent | e2baad9e4b153c67dddc5ccf987395b842329c84 (diff) | |
| download | linux-ed2dfd900992aa7b6b3d0abd8ec9a7e9d2c7f827.tar.gz | |
tcp/dccp: warn user for preferred ip_local_port_range
After commit 07f4c90062f8f ("tcp/dccp: try to not exhaust
ip_local_port_range in connect()") it is advised to have an even number
of ports described in /proc/sys/net/ipv4/ip_local_port_range
This means start/end values should have a different parity.
Let's warn sysadmins of this, so that they can update their settings
if they want to.
Suggested-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/netns')
| -rw-r--r-- | include/net/netns/ipv4.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h index 6848b8bb2e63..c68926b4899c 100644 --- a/include/net/netns/ipv4.h +++ b/include/net/netns/ipv4.h @@ -19,6 +19,7 @@ struct sock; struct local_ports { seqlock_t lock; int range[2]; + bool warned; }; struct ping_group_range { |